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Finding the Fourth Proportional to 30,046.80, 41,463.80 and 16,617.68

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Solution

The fourth proportional to 30,046.80, 41,463.80 and 16,617.68 is: 22,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.80 : 41,463.80 = 16,617.68 : x
  2. Step 2: Convert to fraction form
    30,046.80/41,463.80 = 16,617.68/x
  3. Step 3: Cross multiply
    30,046.80x = 41,463.80 × 16,617.68
  4. Step 4: Simplify right side
    30,046.80x = 689,032,159.98
  5. Step 5: Solve for x
    x = 689,032,159.98/30,046.80
  6. Step 6: Final answer
    x = 22,931.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.